MXG461B Series Modulating Control Valve Technical Instructions
with Magnetic Actuator Document Number 125-4461
May 3, 2006
Siemens Building Technologies, Inc. Page 9
Connection
Terminals,
Continued
Controllers with phase-cut
0 to 20 Vdc
SSEN0347R1
G0
G
F
Controller
Transformer
U
U
Z
G0
G
Y
M
0 to 20Vdc
Phase-cut signal
AC/DC 24 V Operating voltage
0 to 10Vdc / 2 to 10Vdc
0 to 20 mA / 4 to 20 mA
0 to 10Vdc / 2 to 10Vdc
0 to 20 mA / 4 to 20 mA
System neutral (SN)
Control signal
System potential (SP)
Measuring neutral (= G0)
Positioning feedback signal
Override input
Figure 15.
SVAL0231R1
G0 G Y M
42
MXG461B...
Connecting cable
to heater
Supply cable
Figure 16. Stem Heating Element Z366.